| Abbreviation | Definition |
|---|---|
| GOI | GaAs (Galium Arsenide) On Insulator |
| GOI | Gate Oxide Integrity |
| GOLB | GoGear on Linux boxes |
| GOS | GaN (Gallium Nitride)-On-Sapphire |
| GPE | Gas Phase Etching |
| GPE | Giorgio Peroni Electronics |
| GPES | General Power Electronics Solver |
| GPIB | General Purpose Interface Bus |
| GPO | General Power Output |
| GPR | Generator Protective Relay |
| GPRS | General Packet Radio Service |
| GPS | Global Positioning System |
| GPTs | General Purpose Timers |
| GR | Ground Representation |
| GR&R | Gauge reproduceability and repeatability |
| GRAMMA | Gig and Recording Amplifier Monitor Modulation Attenuator |
| GRD | Grid Connection |
| GRINSCH | GRaded INdex Separate Confinement Heterostructure |
| GROL | General Radio-Telephone Operators License |
| GS | Graphics Sound |